Home / 12,731.04-19,096.26-7,499.23

Finding the Fourth Proportional to 12,731.04, 19,096.26 and 7,499.23

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Solution

The fourth proportional to 12,731.04, 19,096.26 and 7,499.23 is: 11,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.04 : 19,096.26 = 7,499.23 : x
  2. Step 2: Convert to fraction form
    12,731.04/19,096.26 = 7,499.23/x
  3. Step 3: Cross multiply
    12,731.04x = 19,096.26 × 7,499.23
  4. Step 4: Simplify right side
    12,731.04x = 143,207,245.88
  5. Step 5: Solve for x
    x = 143,207,245.88/12,731.04
  6. Step 6: Final answer
    x = 11,248.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.